Steam-trap



' V2 Sheets-Sheet 1.

(N0 Model() LF. NAGLB.

STEAM TRAP.

Patented'lebl 12, 1895.:

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. STEAM TRAP.

` 2 Sheets-Sheet 2.

(No Model.)

Patented Feb.' 12,-1895;

UNITED STATES PATENT OFFICE..

AUGUSTUS F. NAGLE, OF CHICAGO, ILLINOIS.

STEAIVITRAP.

SPECIFICATION forming part of Letters Patent No. 533,999, dated February 12, 1895.A

Application led September 10, 1894. Serial No. 522.659. (No model.)

To all whom it may concern.:

Be it known that I, AUGUSTUS F. NAGLE, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a certain new and'useful Improvement in Steam-Traps, of which the its object is to provide mechanism operated by a float within the trap for opening and closing the valve that controls the discharge outlet, the valve controlling mechanism being directly connected with the valve and inclosed within the casing ofthe trap, whereby a selfcontrolled trap is produced.

My invention comprises a valve located'in the lowerl end ofthe casing of the steam trap, and adapted to be moved back and forth by the impact of a falling weight, the movement of which is controlled by a oat. The valvecontrolling mechanism is inclosed within the casing, the trap being thus self-contained, andthe necessity of carrying moving parts through the walls of the casing by stufling boxes avoided. The falling weight is in the form of a weighted arm, pivoted at the lower end and adapted to be moved to a vertical position by the iioat, the arm then descending by its own weight and striking against a valve-shifting lever whose end engages the valve directly to oppose the same. The descent of the Hoat serves to carry the weighted arm back to the vertical position and in its descent the arm impinges against the valveY shifting lever to close the valve. p The valve-4 shifting mechanism is thus completely inclosed within the casing of the trap, and the trap is wholly self-contained.

Referring to the accompanying drawings, Figure 1 is a view in elevation, partly in section, of the valve mechanism embodying my invention. Fig. 2 is a sectional view Online 2-2, Fig. 1. Fig. 3 is a view of the valve shifting lever. thereof. Figis adetached view of the pivoted member upon which the ioat is mounted. Fig. 6 shows the valve in its sealing position.

Fig. 7 shows the valve in its discharge position.

Fig. 4 is a sectional views.,

furcated end c2 adapted to engage the vvalve stem b2 so that as the lever is rocked back and forth, movement is imparted to the valve. Stops c4 c5 are provided to limit the movement ofsaid lever c. The upper arm c8 of the lever is made hollow to accommodate an arm d piv oted at c and carrying upon its end aweight d. The ioat e is mounted to rotate about the axis c', and the member c on which it is mounted, carries lugs or projections e2 cs adapted toengage a pin d2 carried upon the arm d. When the valve occupies ay position to the right, as shown in Fig. 6, the discharge outlet is sealed. As water accumulates in the trap, the float rises andthe lug c2 engages the pin d2 on the arm cl and thus rotates the armitowar'd a vertical position. When the arm d reaches the vertical position, any further rise of the float causes the lug e2 to thrust arm d beyond the vertical and the arm descends by its own weight to the position shown in Fig. 7, the arm striking ,the

,wall c@ of the hollow end of the valve-shifting lever c and suddenly thrusting the valve to the left to unseal the discharge outlet. As thewater escapes the lioat descends and the lug e3, coming in contact with the pin d2, gradually moves the weighted arm toward the vertical, after passing which the arm descends, striking the wall c7 of the hollow end of the valve-shifting lever c and suddenly moving valve b to the right to seal the -discharge outlet.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, is

In a steam trap, the combination with a valve situated in the lower end of the trap "and adapted to be moved toV open and close theL discharge outlet,`of a valve-shifting lever centrally pivoted, engaging by its lower end IOO the stem of said valve, and carrying lugs or walls at its upper end, a weighted arm pivoted at its lower end and adapted to vibrate between the lugs or Walls upon said valveshifting,r lever and to impinge against the same to open and close the valve, and a float mounted upon a pivoted arxn, said arm being provided with lugs or projections adapted as the oat rises and falls to engage said Weighted arm and move the same to a position Where it may descend of its own Weight, said valveshifting level', Weighted arm and float carrying arm being entirely inolosed Within the casing of the trap, whereby a directly connected valve operating mechanism and a self- "`contained trap results; substantially as de- AUGUSTUS F. NAGLE.

WVitnesses:

W. CLYDE JONES, GEORGE L. CRAGG. 

